/* ===== Component System (Linear/Vercel) ===== */
.alert { background: var(--t-bg-hover) !important; color: var(--t-text) !important; border-color: var(--t-border) !important; border-radius: 8px !important; }
p, span, label, li, td, th, div { color: inherit; }

/* -- Page Layout -- */
.page-header { margin-bottom: 1.25rem !important; }
.page-title {
    font-size: 1.1rem !important; font-weight: 600 !important;
    letter-spacing: -0.03em !important; color: var(--t-text) !important;
    line-height: 1.3 !important;
}
.page-description {
    font-size: 12px !important; color: var(--t-text-secondary) !important;
    max-width: none !important; letter-spacing: -0.006em !important;
    margin-top: 0.25rem !important; line-height: 1.5 !important;
}
.word-count-badge {
    background: var(--t-bg-hover) !important; color: var(--t-text-muted) !important;
    font-size: 11.5px !important; padding: 0.15rem 0.5rem !important;
    border-radius: 100px !important; font-weight: 500 !important;
    border: none !important;
}

/* -- Action Toolbar -- */
.action-toolbar { gap: 0.375rem !important; margin-bottom: 1.25rem !important; }
.action-toolbar .action-button, 
.action-button-primary {
    background: var(--t-bg-hover) !important; color: var(--t-text-secondary) !important;
    border: none !important; border-radius: 8px !important;
    padding: 0.375rem 0.75rem !important; font-size: 12px !important;
    font-weight: 500 !important; transition: all 0.12s !important;
}
.action-button-primary:hover, .action-toolbar .action-button:hover {
    background: var(--t-bg-active) !important; color: var(--t-text) !important;
    transform: none !important;
}
.action-button i { font-size: 14px !important; }
.action-button-danger {
    background: rgba(255,69,58,0.06) !important; color: #ff453a !important;
    border: none !important;
}
.action-button-danger:hover { background: rgba(255,69,58,0.12) !important; }
.anki-export-page-btn {
    position: relative !important;
    padding: 0.25rem 0.5rem !important; font-size: 11px !important;
    background: var(--t-bg-hover) !important; color: var(--t-text-secondary) !important;
    border: none !important; border-radius: 6px !important;
    font-weight: 500 !important; transition: all 0.12s !important;
    line-height: 1.2 !important;
}
.anki-export-page-btn:hover { color: var(--t-text) !important; background: var(--t-bg-active) !important; }

/* -- Filter / Search Bar (no borders, bg-color only) -- */
.filter-section {
    background: transparent !important; border: none !important;
    box-shadow: none !important; padding: 0 !important;
    border-radius: 0 !important; margin-bottom: 1.25rem !important;
    overflow: visible !important;
}
.search-input, .search-box input {
    background: var(--t-bg-hover) !important; border: none !important;
    color: var(--t-text) !important; font-size: 12px !important; border-radius: 8px !important;
    padding: 0.5rem 2.25rem 0.5rem 0.75rem !important;
    transition: background 0.12s !important;
}
.search-input:focus { background: var(--t-bg-active) !important; box-shadow: none !important; }
.search-input::placeholder { color: var(--t-text-dimmer) !important; }
.search-button { color: var(--t-text-dimmer) !important; transition: color 0.12s !important; }
.search-button:hover { color: var(--t-text) !important; }
.clear-button {
    background: var(--t-bg-hover) !important; border: none !important;
    color: var(--t-text-secondary) !important; border-radius: 8px !important;
    font-size: 12px !important; transition: all 0.12s !important;
}
.clear-button:hover { color: var(--t-text) !important; background: var(--t-bg-active) !important; }

/* -- Dropdowns (no borders, bg-color only) -- */
.dropdown-toggle {
    background: var(--t-bg-hover) !important; border: none !important;
    color: var(--t-text-secondary) !important; border-radius: 8px !important;
    font-size: 12px !important; padding: 0.5rem 0.75rem !important;
    transition: all 0.12s !important;
}
.dropdown-toggle:hover { background: var(--t-bg-active) !important; color: var(--t-text) !important; }
.dropdown-toggle i:first-child { color: var(--t-text-dimmer) !important; font-size: 14px !important; }
.dropdown-toggle i:last-child { font-size: 11px !important; }
.dropdown-menu:not(.vk-dropdown) {
    background: var(--t-bg-dropdown) !important; border: none !important;
    border-radius: 8px !important; padding: 4px !important;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15) !important;
}
.dropdown-menu:not(.vk-dropdown) .dropdown-item {
    color: var(--t-text-secondary) !important; font-size: 13px !important;
    border-radius: 4px !important; padding: 0.4375rem 0.75rem !important;
    transition: all 0.1s !important;
}
.dropdown-menu:not(.vk-dropdown) .dropdown-item:hover { background: var(--t-bg-active) !important; color: var(--t-text) !important; }
.dropdown-menu:not(.vk-dropdown) .dropdown-item.active { background: var(--t-bg-active) !important; color: var(--t-text) !important; }
.dropdown-menu:not(.vk-dropdown) .dropdown-item i { font-size: 14px !important; color: var(--t-text-dimmer) !important; }

/* -- View Toggle -- */
.view-toggle-btn, .view-mode-btn {
    position: relative !important;
    background: transparent !important; color: var(--t-text-dimmer) !important;
    border: none !important; border-radius: 6px !important;
    width: 2rem !important; height: 2rem !important; font-size: 14px !important;
    transition: all 0.12s !important;
}
.view-toggle-btn:hover, .view-mode-btn:hover { color: var(--t-text-secondary) !important; background: var(--t-bg-hover) !important; }
.view-toggle-btn.active, .view-mode-btn.active {
    background: var(--t-bg-active) !important; color: var(--t-text) !important;
}

/* -- Premium Tooltip -- */
.tooltip-content {
    background: var(--t-bg-card) !important; border: 1px solid var(--t-border) !important;
    color: var(--t-text) !important; box-shadow: 0 8px 30px rgba(0,0,0,0.15) !important;
    border-radius: 8px !important;
}

/* -- Word Card Grid -- */
.word-list {
    gap: 0.75rem !important;
    grid-template-columns: repeat(5, 1fr) !important;
}
@media (max-width: 1600px) { .word-list { grid-template-columns: repeat(4, 1fr) !important; } }
@media (max-width: 1200px) { .word-list { grid-template-columns: repeat(3, 1fr) !important; } }
@media (max-width: 900px) { .word-list { grid-template-columns: repeat(2, 1fr) !important; } }
@media (max-width: 600px) { .word-list { grid-template-columns: 1fr !important; } }

.word-card {
    background: var(--t-bg-hover) !important;
    border: none !important;
    border-radius: 10px !important; box-shadow: none !important;
    transition: background 0.15s !important;
    overflow: hidden !important;
}
.word-card:hover {
    background: var(--t-bg-active) !important;
    transform: none !important; box-shadow: none !important;
}
.word-card::after { display: none !important; }
.word-card-content {
    padding: 1.125rem 1.25rem !important;
    border-top: none !important;
}
.word-header { margin-bottom: 0.25rem !important; }
.word-text, .word-name, .word-title {
    font-size: 1rem !important; font-weight: 600 !important;
    color: var(--t-text) !important; margin-bottom: 0.25rem !important;
    letter-spacing: -0.02em !important; line-height: 1.4 !important;
}
.word-ignore-btn { position: relative !important; color: var(--t-text-dimmer) !important; font-size: 13px !important; transition: all 0.12s !important; }
.word-ignore-btn:hover { background: rgba(255,69,58,0.08) !important; color: #ff453a !important; }
.word-frequency {
    background: var(--t-bg-hover) !important; color: var(--t-text-muted) !important;
    font-size: 11px !important; padding: 0.125rem 0.4375rem !important;
    border-radius: 4px !important; font-weight: 500 !important;
}
.word-lemma { margin: 0.25rem 0 !important; font-size: 12px !important; }
.lemma-label { color: var(--t-text-dimmer) !important; }
.lemma-link, .lemma-link, .word-list-lemma .lemma-link, .word-list-lemma .lemma-link {
    color: var(--t-text-muted) !important; font-weight: 500 !important;
    transition: color 0.12s !important;
}
.lemma-link:hover { color: var(--t-text) !important; }
.word-pronunciation, .word-definition { color: var(--t-text-muted) !important; }
.word-translation {
    color: var(--t-text-dimmer) !important; font-size: 13px !important;
    margin-bottom: 0.875rem !important; height: auto !important;
    -webkit-line-clamp: 2 !important; line-clamp: 2 !important;
    line-height: 1.5 !important;
}
.word-info { color: var(--t-text-muted) !important; font-size: 12px !important; margin-bottom: 0.5rem !important; }

/* -- Word Card Buttons -- */
.word-actions {
    display: flex !important; gap: 0.375rem !important;
    margin-top: 0 !important; padding-top: 0.5rem !important;
    border-top: none !important;
    justify-content: flex-end !important;
}
.word-btn {
    flex: 1 !important;
    background: var(--t-bg-active) !important; color: var(--t-text-muted) !important;
    border: none !important; border-radius: 6px !important;
    font-size: 12px !important; font-weight: 500 !important;
    padding: 0.3125rem 0 !important; transition: all 0.12s !important;
}
.word-btn:hover {
    background: var(--t-bg-hover) !important; color: var(--t-text) !important;
}
.word-btn i, .word-btn-favorite i, .word-btn-details i { display: none !important; }
.word-btn-favorite { background: var(--t-bg-active) !important; border: none !important; color: var(--t-text-muted) !important; }
.word-btn-favorite:hover { background: var(--t-bg-hover) !important; color: var(--t-text) !important; }
.word-btn-favorite.favorited, .word-btn.favorited, 
.word-btn-favorite.favorited, .word-btn.favorited {
    background: rgba(250,204,21,0.08) !important; color: #fbbf24 !important;
}
.word-btn-favorite.favorited:hover { background: rgba(250,204,21,0.15) !important; }
.word-btn-details {
    background: var(--t-bg-active) !important; color: var(--t-text-muted) !important;
    border: none !important;
}
.word-btn-details:hover {
    background: var(--t-bg-hover) !important; color: var(--t-text) !important;
    transform: none !important;
}

/* -- Word List Table View -- */
.word-list-table {
    background: var(--t-bg-hover) !important; border: none !important;
    border-radius: 10px !important; box-shadow: none !important; overflow: hidden !important;
}
.word-list-header {
    background: var(--t-bg-hover) !important; border-color: var(--t-border) !important;
    color: var(--t-text-muted) !important; font-size: 0.8125rem !important;
    text-transform: none !important; letter-spacing: 0 !important;
    padding: 0.625rem 1.25rem !important; font-weight: 500 !important;
}
.word-list-item {
    border-color: var(--t-border-light) !important;
    padding: 0.625rem 1.25rem !important;
    transition: background 0.12s !important;
}
.word-list-item:hover { background: var(--t-bg-hover) !important; transform: none !important; box-shadow: none !important; }
.word-list-text strong { color: var(--t-text) !important; font-weight: 600 !important; }
.word-list-translation { color: var(--t-text-secondary) !important; font-size: 13px !important; }
.word-list-translation .text-muted { color: var(--t-text-muted) !important; }
.word-list-btn {
    position: relative !important;
    background: transparent !important; border: none !important;
    color: var(--t-icon-btn-color) !important; border-radius: 6px !important;
    width: 1.75rem !important; height: 1.75rem !important; font-size: 13px !important;
    transition: all 0.12s !important; box-shadow: none !important; transform: none !important;
}
.word-list-btn:hover { background: var(--t-bg-hover) !important; color: var(--t-text) !important; transform: none !important; }
.word-list-btn.favorited {
    background: transparent !important; color: #fbbf24 !important;
}
.frequency-badge {
    background: var(--t-bg-hover) !important; color: var(--t-text-muted) !important;
    font-size: 11px !important; font-weight: 500 !important;
    padding: 0.125rem 0.4375rem !important; border-radius: 4px !important;
    box-shadow: none !important;
}

/* -- Empty State -- */
.empty-state { background: var(--t-bg-hover) !important; border: none !important; box-shadow: none !important; border-radius: 12px !important; }
.empty-icon { color: var(--t-text-dimmer) !important; font-size: 3rem !important; }
.empty-title { color: var(--t-text-dimmer) !important; font-size: 1.1rem !important; font-weight: 500 !important; letter-spacing: -0.02em !important; }
.empty-description { color: var(--t-text-secondary) !important; font-size: 14px !important; }

/* -- Pagination -- */
.pagination-info { color: var(--t-text-dimmer) !important; font-size: 13px !important; }
.pagination { gap: 0.25rem !important; }
.page-link {
    background: var(--t-bg-hover) !important; color: var(--t-text-dimmer) !important;
    border: none !important; border-radius: 6px !important;
    font-size: 13px !important; min-width: 2rem !important; height: 2rem !important;
    transition: all 0.12s !important;
}
.page-link:hover { background: var(--t-bg-active) !important; color: var(--t-text) !important; }
.page-item.active .page-link {
    background: var(--t-text) !important; color: var(--t-bg) !important;
}
.page-item.disabled .page-link { opacity: 0.3 !important; }

/* -- Word Group View -- */
.word-group {
    background: var(--t-bg-hover) !important; border: none !important;
    border-radius: 10px !important; transition: background 0.12s !important;
}
.word-group-header {
    background: var(--t-bg-hover) !important; border-color: transparent !important;
    padding: 0.75rem 1.25rem !important;
}
.word-group.expanded .word-group-header { border-bottom-color: var(--t-border) !important; }
.word-group-header:hover { background: var(--t-bg-hover) !important; }
.group-title { color: var(--t-text) !important; font-size: 14px !important; font-weight: 600 !important; letter-spacing: -0.01em !important; }
.group-count { background: var(--t-bg-active) !important; color: var(--t-text-muted) !important; font-size: 11px !important; border-radius: 100px !important; }
.group-frequency { background: var(--t-bg-active) !important; color: var(--t-text-muted) !important; font-size: 11px !important; }
.group-toggle-icon { color: var(--t-text-dimmer) !important; }
.word-group-content { background: transparent !important; }
.word-group-item { border-color: var(--t-border-light) !important; padding: 0.625rem 1.25rem !important; }
.word-group-item:hover { background: var(--t-bg-hover) !important; }
.word-item-text { color: var(--t-text) !important; font-size: 14px !important; font-weight: 600 !important; }
.word-item-translation { color: var(--t-text-dimmer) !important; font-size: 13px !important; }
.word-item-btn {
    position: relative !important;
    background: transparent !important; border: none !important;
    color: var(--t-text-dimmer) !important; border-radius: 6px !important; transition: all 0.12s !important;
}
.word-item-btn:hover { background: var(--t-bg-hover) !important; color: var(--t-text) !important; transform: none !important; }
.word-item-btn.favorited { background: transparent !important; color: #fbbf24 !important; }
.back-btn {
    background: var(--t-bg-hover) !important; border: none !important;
    color: var(--t-text-secondary) !important; border-radius: 6px !important; font-size: 13px !important;
    box-shadow: none !important; transition: all 0.12s !important;
}
.back-btn:hover { color: var(--t-text) !important; border-color: var(--t-border-hover) !important; transform: none !important; }

/* ===== Segment toggle (Vercel-style) ===== */
.segment-toggle {
    display: inline-flex !important;
    background: var(--t-bg-hover) !important;
    border: none !important;
    border-radius: 8px !important;
    padding: 3px !important;
    gap: 2px !important;
}
.segment-item {
    padding: 6px 14px !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    color: var(--t-text-muted) !important;
    border-radius: 6px !important;
    text-decoration: none !important;
    transition: all 0.15s !important;
    cursor: pointer !important;
    white-space: nowrap !important;
}
.segment-item:hover {
    color: var(--t-text) !important;
    background: var(--t-bg-hover) !important;
    text-decoration: none !important;
}
.segment-item.active {
    background: var(--t-bg-active) !important;
    color: var(--t-text) !important;
}